2980500

素因数分解:

$2^2\times 3^1\times 5^3\times {\mathrm{1987}}^1$

素因数の和:2009

約数の個数: 48

約数和(自身を含む): 8683584

約数和(自身を除く): 5703084

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 125, 150, 250, 300, 375, 500, 750, 1500, 1987, 3974, 5961, 7948, 9935, 11922, 19870, 23844, 29805, 39740, 49675, 59610, 99350, 119220, 149025, 198700, 248375, 298050, 496750, 596100, 745125, 993500, 1490250, 2980500]

約数ペア:

[(1, 2980500), (2, 1490250), (3, 993500), (4, 745125), (5, 596100), (6, 496750), (10, 298050), (12, 248375), (15, 198700), (20, 149025), (25, 119220), (30, 99350), (50, 59610), (60, 49675), (75, 39740), (100, 29805), (125, 23844), (150, 19870), (250, 11922), (300, 9935), (375, 7948), (500, 5961), (750, 3974), (1500, 1987)]